package com.zw.gulimall.product.service.impl;

import com.alibaba.cloud.commons.lang.StringUtils;
import com.alibaba.fastjson.TypeReference;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.zw.common.constant.product.SpuConstant;
import com.zw.common.entity.product.*;
import com.zw.common.to.SkuHasStockTo;
import com.zw.common.to.SkuReductionTo;
import com.zw.common.to.SpuBoundTo;
import com.zw.common.to.es.SkuEsModel;
import com.zw.common.utils.PageUtils;
import com.zw.common.utils.Query;
import com.zw.common.utils.R;
import com.zw.gulimall.product.dao.SpuInfoDao;
import com.zw.gulimall.product.feign.CouponFeignService;
import com.zw.gulimall.product.feign.ElasticSearchFeignService;
import com.zw.gulimall.product.feign.WareFeignService;
import com.zw.gulimall.product.service.*;
import com.zw.gulimall.product.vo.*;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;


@Service("spuInfoService")
public class SpuInfoServiceImpl extends ServiceImpl<SpuInfoDao, SpuInfoEntity> implements SpuInfoService {

    @Autowired
    SpuInfoDescService spuInfoDescService;

    @Autowired
    SpuImagesService imagesService;

    @Autowired
    AttrService attrService;

    @Autowired
    ProductAttrValueService attrValueService;

    @Autowired
    SkuInfoService skuInfoService;
    @Autowired
    SkuImagesService skuImagesService;

    @Autowired
    SkuSaleAttrValueService skuSaleAttrValueService;

    @Autowired
    CouponFeignService couponFeignService;

    @Autowired
    private BrandService brandService;

    @Autowired
    private CategoryService categoryService;

    @Autowired
    private ProductAttrValueService productAttrValueService;

    @Autowired
    private WareFeignService wareFeignService;

    @Autowired
    private ElasticSearchFeignService searchFeignService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                new QueryWrapper<SpuInfoEntity>()
        );

        return new PageUtils(page);
    }

    @Transactional
    @Override
    public void saveDetail(SpuSaveVo vo) {
        //1、保存spu基本信息 pms_spu_info
        SpuInfoEntity infoEntity = new SpuInfoEntity();
        BeanUtils.copyProperties(vo,infoEntity);
        infoEntity.setCreateTime(new Date());
        infoEntity.setUpdateTime(new Date());
        this.saveBaseSpuInfo(infoEntity);
        //2、保存Spu的描述图片 pms_spu_info_desc
        List<String> decript = vo.getDecript();
        SpuInfoDescEntity descEntity = new SpuInfoDescEntity();
        descEntity.setSpuId(infoEntity.getId());
        descEntity.setDecript(String.join(",",decript));
        spuInfoDescService.saveSpuInfoDesc(descEntity);
        //3、保存spu的图片集 pms_spu_images
        List<String> images = vo.getImages();
        imagesService.saveImages(infoEntity.getId(),images);
        //4、保存spu的规格参数;pms_product_attr_value
        List<BaseAttrs> baseAttrs = vo.getBaseAttrs();
        List<ProductAttrValueEntity> collect = baseAttrs.stream().map(attr -> {
            ProductAttrValueEntity valueEntity = new ProductAttrValueEntity();
            valueEntity.setAttrId(attr.getAttrId());
            AttrEntity id = attrService.getById(attr.getAttrId());
            valueEntity.setAttrName(id.getAttrName());
            valueEntity.setAttrValue(attr.getAttrValues());
            valueEntity.setQuickShow(attr.getShowDesc());
            valueEntity.setSpuId(infoEntity.getId());

            return valueEntity;
        }).collect(Collectors.toList());
        attrValueService.saveProductAttr(collect);
        //5、保存spu的积分信息；gulimall_sms->sms_spu_bounds
        Bounds bounds = vo.getBounds();
        SpuBoundTo spuBoundTo = new SpuBoundTo();
        BeanUtils.copyProperties(bounds,spuBoundTo);
        spuBoundTo.setSpuId(infoEntity.getId());
        R r = couponFeignService.saveSpuBounds(spuBoundTo);
        if(r.getCode() != 0){
            log.error("远程保存spu积分信息失败");
        }

        //5、保存当前spu对应的所有sku信息；
        List<Skus> skus = vo.getSkus();
        if(skus!=null && skus.size()>0) {
            skus.forEach(item -> {
                String defaultImg = "";
                for (Images image : item.getImages()) {
                    if (image.getDefaultImg() == 1) {
                        defaultImg = image.getImgUrl();
                    }
                }
                //    private String skuName;
                //    private BigDecimal price;
                //    private String skuTitle;
                //    private String skuSubtitle;
                SkuInfoEntity skuInfoEntity = new SkuInfoEntity();
                BeanUtils.copyProperties(item, skuInfoEntity);
                skuInfoEntity.setBrandId(infoEntity.getBrandId());
                skuInfoEntity.setCatalogId(infoEntity.getCatalogId());
                skuInfoEntity.setSaleCount(0L);
                skuInfoEntity.setSpuId(infoEntity.getId());
                skuInfoEntity.setSkuDefaultImg(defaultImg);
                //TODO: pms_sku_info中缺失price字段
//                MemberPrice memberPrice = item.getMemberPrice().get(0);
//                BigDecimal price = memberPrice.getPrice();
                //5.1）、sku的基本信息；pms_sku_info
                skuInfoService.saveSkuInfo(skuInfoEntity);

                Long skuId = skuInfoEntity.getSkuId();

                List<SkuImagesEntity> imagesEntities = item.getImages().stream().map(img -> {
                    SkuImagesEntity skuImagesEntity = new SkuImagesEntity();
                    skuImagesEntity.setSkuId(skuId);
                    skuImagesEntity.setImgUrl(img.getImgUrl());
                    skuImagesEntity.setDefaultImg(img.getDefaultImg());
                    return skuImagesEntity;
                }).filter(entity -> {
                    //返回true就是需要，false就是剔除
                    return !StringUtils.isEmpty(entity.getImgUrl());
                }).collect(Collectors.toList());
                //5.2）、sku的图片信息；pms_sku_image
                skuImagesService.saveBatch(imagesEntities);
                //TODO 没有图片路径的无需保存

                List<Attr> attr = item.getAttr();
                List<SkuSaleAttrValueEntity> skuSaleAttrValueEntities = attr.stream().map(a -> {
                    SkuSaleAttrValueEntity attrValueEntity = new SkuSaleAttrValueEntity();
                    BeanUtils.copyProperties(a, attrValueEntity);
                    attrValueEntity.setSkuId(skuId);

                    return attrValueEntity;
                }).collect(Collectors.toList());
                //5.3）、sku的销售属性信息：pms_sku_sale_attr_value
                skuSaleAttrValueService.saveBatch(skuSaleAttrValueEntities);

                // //5.4）、sku的优惠、满减等信息；gulimall_sms->sms_sku_ladder\sms_sku_full_reduction\sms_member_price
                SkuReductionTo skuReductionTo = new SkuReductionTo();
                BeanUtils.copyProperties(item, skuReductionTo);
                skuReductionTo.setSkuId(skuId);
                if (skuReductionTo.getFullCount() > 0 || skuReductionTo.getFullPrice().compareTo(new BigDecimal("0")) == 1) {
                    R r1 = couponFeignService.saveSkuReduction(skuReductionTo);
                    if (r1.getCode() != 0) {
                        log.error("远程保存sku优惠信息失败");
                    }
                }
            });
        }
    }

    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {
        QueryWrapper<SpuInfoEntity> wrapper = new QueryWrapper<>();

        String key = (String) params.get("key");
        if(!StringUtils.isEmpty(key)){
            wrapper.and((w)->{
                w.eq("id",key).or().like("spu_name",key);
            });
        }
        // status=1 and (id=1 or spu_name like xxx)
        String status = (String) params.get("status");
        if(!StringUtils.isEmpty(status)){
            wrapper.eq("publish_status",status);
        }

        String brandId = (String) params.get("brandId");
        if(!StringUtils.isEmpty(brandId)&&!"0".equalsIgnoreCase(brandId)){
            wrapper.eq("brand_id",brandId);
        }

        String catelogId = (String) params.get("catelogId");
        if(!StringUtils.isEmpty(catelogId)&&!"0".equalsIgnoreCase(catelogId)){
            wrapper.eq("catalog_id",catelogId);
        }

        /**
         * status: 2
         * key:
         * brandId: 9
         * catelogId: 225
         */

        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                wrapper
        );

        return new PageUtils(page);
    }

    @Override
    public void supInfoUp(Long spuId) {

        // 2.封装待上传es数据集合（skuEsModel）
        // 查询spu关联的基本属性集合
        Map<Long, ProductAttrValueEntity> attrMap = productAttrValueService.attrListForSpu(spuId)
                .stream().collect(Collectors.toMap(key -> key.getAttrId(), val -> val));
        // 查询允许被检索的基本属性集合ID
        List<Long> searAttrIds = attrService.selectSearchAttrIds(new ArrayList<>(attrMap.keySet()));
        // 查询允许被检索的基本属性属性集合，并封装成attrEsModels
        List<SkuEsModel.Attrs> attrEsModels = searAttrIds.stream().map(attrId -> {
            SkuEsModel.Attrs attrModel = new SkuEsModel.Attrs();
            ProductAttrValueEntity attrValue = attrMap.get(attrId);
            // 封装基本属性
            attrModel.setAttrId(attrValue.getAttrId());
            attrModel.setAttrName(attrValue.getAttrName());
            attrModel.setAttrValue(attrValue.getAttrValue());
            return attrModel;
        }).collect(Collectors.toList());


//        1.查询当前spuid对应的所有的sku信息，品牌的名字
         List<SkuInfoEntity> skus = skuInfoService.querySkusBySpuId(spuId);
        List<Long> skuIds = skus.stream().map(item -> item.getSkuId()).collect(Collectors.toList());
        Map<Long, Boolean> map = null;
        try {
            R skuBrandHasStock = wareFeignService.getSkuBrandHasStock(skuIds);
            TypeReference<List<SkuHasStockTo>> typeReference = new TypeReference<List<SkuHasStockTo>>() {
            };
            List<SkuHasStockTo> hasStockTos = skuBrandHasStock.getData(typeReference);
            map = hasStockTos.stream().collect(Collectors.toMap(SkuHasStockTo::getSkuId, SkuHasStockTo::getHasStock));
        }catch (Exception e){

        }
//         组装每个sku信息
        Map<Long, Boolean> finalMap = map;
        List<SkuEsModel> skuEsModels = skus.stream().map(sku -> {
            SkuEsModel skuEsModel = new SkuEsModel();
            BeanUtils.copyProperties(sku, skuEsModel);
            skuEsModel.setSkuPrice(sku.getPrice());
            skuEsModel.setSkuImg(sku.getSkuDefaultImg());
//            TODO:feign调用获取库存系统查询是否有库存
            if(finalMap !=null ){
                skuEsModel.setHasStock( finalMap.get(sku.getSkuId()));
            }else {
                skuEsModel.setHasStock(true);
            }

//            TODO:获取热度评分：0
            skuEsModel.setHotScore(0L);
//            TODO:获取品牌和分类的名字信息
            BrandEntity brandEntity = brandService.getById(sku.getBrandId());
            skuEsModel.setBrandName(brandEntity.getName());
            skuEsModel.setBrandImg(brandEntity.getLogo());

            CategoryEntity categoryEntity = categoryService.getById(sku.getCatalogId());
            skuEsModel.setCatalogName(categoryEntity.getName());

//            设置所有的sku attrs中所有的可以用来被检索的规格属性。
            skuEsModel.setAttrs(attrEsModels);
            return skuEsModel;
        }).collect(Collectors.toList());

//       将属性传递到search服务存储到es中
        R r = searchFeignService.productStatusUp(skuEsModels);
        if(r.getCode()==0){
//        更改商品状态和时间
            this.baseMapper.updateSpuInfoStatusUp(spuId, SpuConstant.PublishStatusEnum.SPU_UP.getCode());
        }else {
//            TODO:商家失败处理
//            Feign调用机制
        }
    }

    /**
     * 根据SkuId查询SPU信息
     */
    @Override
    public SpuInfoEntity getBySkuId(Long skuId) {
        SkuInfoEntity skuInfo = skuInfoService.getById(skuId);
        SpuInfoEntity spuInfo = getById(skuInfo.getSpuId());
        BrandEntity brand = brandService.getById(spuInfo.getBrandId());
        spuInfo.setBrandName(brand.getName());
        return spuInfo;
    }

    private void saveBaseSpuInfo(SpuInfoEntity infoEntity) {
        baseMapper.insert(infoEntity);
    }
}
